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CVE-2020-25654

Status Candidate

Overview

An ACL bypass flaw was found in pacemaker. An attacker having a local account on the cluster and in the haclient group could use IPC communication with various daemons directly to perform certain tasks that they would be prevented by ACLs from doing if they went through the configuration.

Related Files

Gentoo Linux Security Advisory 202309-09
Posted Sep 29, 2023
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202309-9 - Multiple vulnerabilities have been found in Pacemaker, the worst of which could result in root privilege escalation. Versions greater than or equal to 2.0.5_rc2 are affected.

tags | advisory, root, vulnerability
systems | linux, gentoo
advisories | CVE-2018-16877, CVE-2018-16878, CVE-2019-3885, CVE-2020-25654
SHA-256 | 83230435490a2f87299de357c01862d8ce15a18f158d7d5d9815b00668d7dd10
Red Hat Security Advisory 2020-5487-01
Posted Dec 16, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5487-01 - The Pacemaker cluster resource manager is a collection of technologies working together to maintain data integrity and application availability in the event of failures. Issues addressed include a bypass vulnerability.

tags | advisory, bypass
systems | linux, redhat
advisories | CVE-2020-25654
SHA-256 | 88bfd1d3868ac1aeb42379848638e3595cdb9076e0d58f8698de3802c8a804ad
Red Hat Security Advisory 2020-5453-01
Posted Dec 15, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5453-01 - The Pacemaker cluster resource manager is a collection of technologies working together to maintain data integrity and application availability in the event of failures. Issues addressed include a bypass vulnerability.

tags | advisory, bypass
systems | linux, redhat
advisories | CVE-2020-25654
SHA-256 | 03bb61c3369a4b84357a19a89fa5d4597443a32d9099225e7144093d2060c1c7
Red Hat Security Advisory 2020-5423-01
Posted Dec 15, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5423-01 - The Pacemaker cluster resource manager is a collection of technologies working together to maintain data integrity and application availability in the event of failures. Issues addressed include a bypass vulnerability.

tags | advisory, bypass
systems | linux, redhat
advisories | CVE-2020-25654
SHA-256 | 6dbb1d47b9916093bfa205991e5bb7ef943d650ae8a8dee6e5f3df6b2d5dd265
Debian Security Advisory 4791-1
Posted Nov 28, 2020
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4791-1 - Ken Gaillot discovered a vulnerability in the Pacemaker cluster group, the ACL restrictions could be bypassed via unrestricted IPC communication, resulting in cluster-wide arbitrary code execution with root privileges.

tags | advisory, arbitrary, root, code execution
systems | linux, debian
advisories | CVE-2020-25654
SHA-256 | ea258fb8e2dd23dc2bd8cbfc14d1af322b234d32a12d5b7453873e66f8770b6b
Ubuntu Security Notice USN-4623-1
Posted Nov 9, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4623-1 - Ken Gaillot discovered that Pacemaker incorrectly handled IPC communications permissions. A local attacker could possibly use this issue to bypass ACL restrictions and execute arbitrary code as root.

tags | advisory, arbitrary, local, root
systems | linux, ubuntu
advisories | CVE-2020-25654
SHA-256 | e287d7bfec7d1627d24b4a33840a84ed3a697aec6183036087562752af19d573
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